Description

Missing Authorization vulnerability in Drupal Digital Signage Framework allows Forceful Browsing. This issue affects Digital Signage Framework versions: from 0.0.0 to 2.6.1.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.3",
  "pubDate": "2026-09-02T13:18:12.357Z",
  "pubdate": "2026-09-02T13:18:12.357Z",
  "executiveSummary": "A missing authorization vulnerability has been identified within the Drupal Digital Signage Framework, facilitating forceful browsing attacks.\nThis vulnerability is classified as a Missing Authorization flaw, allowing unauthorized actors to access sensitive resources or functions that should be restricted.\nThe vulnerability affects all versions of the Digital Signage Framework ranging from 0.0.0 through 2.6.1.\nThe risk implication is significant, as successful exploitation permits an unauthenticated or low-privileged attacker to bypass access control checks.\nBy manipulating URL parameters or directly accessing restricted endpoints, an attacker can perform actions or retrieve data intended exclusively for administrative or authorized users.\nNo complex exploitation requirements are noted beyond the ability to interact with the web application via standard HTTP/HTTPS requests.\nThe impact includes potential information disclosure, unauthorized configuration changes, or the unauthorized execution of administrative framework operations.",
  "technicalDetails": "The root cause of this vulnerability lies in the improper implementation of access control checks within the routing or controller logic of the Digital Signage Framework for Drupal.\nThe application fails to validate the current user's session or role-based permissions before executing requests to specific internal routes or API endpoints.\nThis vulnerability enables a Forceful Browsing attack vector, where an attacker predicts or discovers restricted URL paths and navigates to them directly despite lacking the requisite authorization.\nIn the context of the Digital Signage Framework, the vulnerable component resides within the controller layer where resource-specific actions are mapped to HTTP methods.\nThe system fails to enforce Drupal’s built-in access check mechanisms, such as 'access callback' or 'permission' requirements in the routing configuration, for affected endpoints.\nExploitation follows a predictable sequence: First, the attacker performs reconnaissance to identify the directory structure and endpoint naming conventions utilized by the Digital Signage Framework. Second, the attacker attempts to access sensitive files or administrative controllers by guessing URL structures that lack server-side permission validation.\nIf the application does not verify the requester's identity or authorization level upon receipt of the request, it proceeds to process the input and return the requested data or perform the requested action.\nBecause the framework handles digital signage metadata, this could expose internal configuration, signage content management functions, or organizational data.\nThe lack of authentication requirements means the attacker does not need a valid user account to interact with these vulnerable endpoints, effectively exposing internal functionality to the public network if the server is internet-facing.\nPost-exploitation, an attacker may leverage this access to manipulate digital content, disrupt signage displays, or extract configuration data to facilitate further attacks against the underlying Drupal installation.\nThe flaw persists across versions 0.0.0 to 2.6.1, indicating a systemic failure in the access control model implemented within the module's codebase."
}